FIRDAN MARGIAN RAMADHAN; BAGAS ADI PRATAMA WIJANARKO; MOHAMAD IKHSAN HAIDAR; TRI AJI SANTOSO; WILLY ANDIKA NUGRAHA. Pengujian Fungsional Website eCampus Universitas Bina Insani Menggunakan Alpha dan Beta Testing. CHAIN: Journal of Computer Technology, Computer Engineering, and Informatics, v. 4, n. 4, p. 482-494, 1 Oct. 2026.